DETROIT, Oct. 4 /PRNewswire/ -- Comerica Incorporated (NYSE: CMA) will
announce its third quarter earnings prior to the market opening on Tuesday,
October 16, 2001.

(Photo: http://www.newscom.com/cgi-bin/prnh/20010807/CMALOGO )

Comerica will host a conference call to review third quarter 2001
financial results at 8:30 a.m. ET Tuesday, October 16, 2001. Interested
parties may access the conference call by calling 706-679-5261 (event ID
No. 2018377). The call also is accessible via the Internet by clicking on
"Investor Relations" at www.comerica.com . A replay of the conference call
will be available approximately two hours following the call through
October 23, 2001. The conference call replay can be accessed by calling
800-642-1687 or 706-645-9291 (event ID No. 2018377). The replay also can be
accessed through the Internet by clicking on "Investor Relations" at
www.comerica.com .

Comerica Incorporated is a multi-state financial services provider
headquartered in Detroit, with bank subsidiaries in Michigan, California and
Texas, banking operations in Florida, and businesses in several other states.
Comerica has an investment services affiliate, Munder Capital Management, as
well as commercial banking operations in Canada and a commercial banking
subsidiary in Mexico.

SOURCE Comerica Incorporated

CONTACT: Media Contacts: Sharon R. McMurray, +1-313-222-4881, or Wayne
J. Mielke, +1-313-222-4732, or Investor Contacts: Judith S. Love,
+1-313-222-2840, or Judith M. Chavis, +1-313-222-6317, all of Comerica
Incorporated/